Common Questions about Incoloy 800/800HT Pipes/Tubes

What are the main components of Incoloy 800 and 800HT?
- Incoloy 800 is primarily composed of nickel, chromium, and iron, while Incoloy 800HT has additional titanium and aluminum for enhanced high-temperature strength.
What are the typical applications of these alloys?
- Both alloys are used in heat exchangers, petrochemical plants, and nuclear applications due to their excellent high-temperature properties and resistance to oxidation.
How do Incoloy 800 and 800HT perform at high temperatures?
- Incoloy 800 is suitable for temperatures up to 1200°F (650°C), while 800HT can withstand up to 1250°F (675°C), providing better creep resistance.
What is the corrosion resistance of these alloys?
- Incoloy 800 and 800HT offer good resistance to oxidation and carburization, making them suitable for harsh environments.
Are these alloys weldable?
- Yes, both Incoloy 800 and 800HT can be welded using standard techniques, but proper procedures are necessary to maintain their properties.
What forms are available for Incoloy 800 and 800HT?
- They are available in various forms, including pipes, tubes, sheets, and fittings.
How do the costs of Incoloy 800 and 800HT compare?
- Incoloy 800 is generally less expensive than 800HT due to the latter’s enhanced properties for high-temperature applications.